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  • 23rd Nordic Workshop on Bibliometrics and Research Policy 2018 Book of abstracts
  • 2018
  • Proceedings (redaktörskap) (övrigt vetenskapligt)abstract
    • Initiated by Professors Olle Persson and Peter Ingwersen, bibliometric researchers in the Nordic countries have arranged annual Nordic workshops on bibliometrics since 1996. The general scope of the Nordic Workshop on Bibliometrics and Research Policy is to present recent bibliometric research in the Nordic countries, to create better linkages between the bibliometric research groups and their PhD students, and to link bibliometric research with research policy.The workshop language is English and the workshop is open to participants from any nation. The 23rd Nordic Workshop on Bibliometrics and Research Policy (NWB’2018) was organized by the Swedish School of Library and Information Science (SSLIS) at University of Borås, Sweden. It was held at University of Borås, on November 7-9th, 2018 with 100 participants.In total, we received 35 submissions. After reviewing the submissions, the program committee decided which papers were to be presented orally and which as poster presentations. 21 papers were accepted as oral presentations. These, as well as the titles of the two invited keynote talks and the abstracts of 9 posters, are presented as abstracts in these proceedings. The posters and oral presentation slides are also available for viewing and peer-feedback at figshare (with citable DOIs):https://doi.orgWe would like to thank all authors for their submissions, the session chairs and the keynote speakers, Fredrik Åström and Merle Jacob, for their contributions to the workshop and the student volunteers, for their diligent efforts during the workshop. Further, we would like to thank the sponsors for their generous financial support, without which the Nordic workshops could not be organised in their current form.The NWB’2017 website is at https://hb.se/nwb2018Follow on twitter as @nwb_2018 and #nwb2018
  • A Hosseini, Vahid, et al. (författare)
  • Fe and Cr phase separation in super and hyper duplex stainless steel plates and welds after very short aging times
  • 2021
  • Ingår i: Materials and Design. - : Elsevier Ltd. - 0264-1275 .- 1873-4197. ; 210
  • Tidskriftsartikel (refereegranskat)abstract
    • Fe and Cr phase separation in ferrite, causing 475 °C-embrittlement, was studied after very short aging times in super duplex stainless steel (SDSS) and hyper duplex stainless steel (HDSS) plates and welds. Atom probe tomography showed that hot-rolled SDSS, experiencing significant metal working, had faster kinetics of phase separations compared to the SDSS and HDSS welds after 5 min aging at 475 °C. The surface of the 33-mm SDSS plate had faster Fe and Cr phase separation and larger toughness drop. A higher density of dislocations next to the austenite phase boundary in ferrite, detected by electron channeling contrast, can promote the phase separation at the surface of the plate with lower austenite spacing. The toughness dropped in HDSS welds after aging, but SDSS welds maintained their toughness. An inverse simulation method considering an initial sinusoidal nanometric Cr and Fe fluctuation showed that Ni increases the interdiffusion of Cr in the system, resulting a higher degree of phase separation in SDSS welds than the HDSS weld. Within the composition range of the studied SDSS and HDSS materials, the processing influences the Fe and Cr phase separation more than the variation in composition during short aging or typical fabrication times.
  • A.O., Tillmar, et al. (författare)
  • Using X-chromosomal markers in relationship testing: Calculation of likelihood ratios taking both linkage and linkage disequilibrium into account
  • 2011
  • Ingår i: Forensic Science International: Genetics. - 1872-4973. ; 5:5, s. 506-511
  • Tidskriftsartikel (refereegranskat)abstract
    • X-chromosomal markers in forensic genetics have become more widely used during recent years, particularly for relationship testing. Linkage and linkage disequilibrium (LD) must typically be accounted for when using close X-chromosomal markers. Thus, when producing the weight-of-evidence, given by a DNA-analysis with markers that are linked, the normally used product rule is invalid. Here we present an implementation of an efficient model for calculating likelihood ratios (LRs) with markers on the X-chromosome which are linked and in LD. Furthermore, the model was applied on several cases based on data from the eight X-chromosomal loci included in the Mentype® Argus X-8 (Biotype). Using a simulation approach we showed that the use of X-chromosome data can offer valuable information for choosing between the alternatives in each of the cases we studied, and that the LR can be high in several cases. We demonstrated that when linkage and LD were disregarded, as opposed to taken into account, the difference in calculated LRs could be considerable. When these differences were large, the estimated haplotype frequencies often had a strong impact and we present a method to estimate haplotype frequencies. Our conclusion is that linkage and LD should be accounted for when using the tested set of markers, and the used model is an efficient way of doing so.
  • Aabel, Lise, 1992, et al. (författare)
  • Distributed Massive MIMO via all-Digital Radio Over Fiber
  • 2020
  • Ingår i: Conference Record - Asilomar Conference on Signals, Systems and Computers. - 1058-6393. ; 2020-November, s. 319-323
  • Konferensbidrag (refereegranskat)abstract
    • A crucial challenge in the implementation of distributed massive multiple-input multiple-output (MIMO) architectures is to provide phase coherence while, at the same time, limit the complexity of the remote-radio heads (RRHs), which is important for cost-efficient scalability. To address this challenge, we present in this paper a phase-coherent distributed MIMO architecture, based on off-the-shelf, low-cost components. In the proposed architecture, up- and down-conversion are carried out at the central unit (CU). The RRHs are connected to the CU by means of optical fibers carrying oversampled radio-frequency (RF) 1-bit signals. In the downlink, the 1-bit signal is generated via sigma-delta modulation. At the RRH, the RF signal is recovered from the 1-bit signal through a bandpass filter and a power amplifier, and then fed to an antenna. In the uplink, the 1-bit signal is generated by a comparator whose inputs are the low-noise-amplified received RF signal and a suitably designed dither signal. The performance of the proposed architecture is evaluated with satisfactory results both via simulation and measurements from a testbed.
  • Aaboen, Lise, 1978 (författare)
  • Business Incubators as Networks - How and Why?
  • 2008
  • Ingår i: Proceedings of ECEI 2008 The 3rd European Conference on Entrepreneurship and Innovation. - 9781906638153 ; , s. 1-8
  • Konferensbidrag (refereegranskat)
  • Aaboen, Lise, 1978, et al. (författare)
  • Capturing processes in longitudinal multiple case studies
  • 2012
  • Ingår i: Industrial Marketing Management. - 0019-8501. ; 41:2, s. 235-246
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper discusses and suggests a methodological approach to capture processes in multiple case studies. While single case studies may address processes in an inductive or abductive manner, multiple case studies entail a stronger need for analytical frameworks and methodological tools developed ex ante in order to maintain focus on the same phenomena across cases and over time. This is, however, difficult to pursue in studies that focus on processes. The aim of the paper is to suggest an approach to longitudinal multiple case studies. We use an example of an on-going multiple case study aiming at capturing the processes of strategizing in terms of how the networking of start-up companies interplays with their ideas of future network positions. The paper concludes by suggesting the use of a combination of narratives and network drawings. Network drawings can be instrumental in capturing the past, the present and the future at different points in time for the individual cases. Based on these descriptions, change patterns and how these evolve can be analyzed and compared across cases and over time.
  • Aaboen, Lise, et al. (författare)
  • Designing and Assessing Learning in Venture Creation Programs - Winner of Best Practitioner Development Workshop Award
  • 2018
  • Konferensbidrag (övrigt vetenskapligt)abstract
    • Workshop Summary In Venture Creation Programs the venture acts as a ‘learning vessel’, enabling what students need to learn - and more - given a greater or lesser extent of guidance. But how do we ensure that the students are engaging in ‘doing what they need to do’ in order to ‘learn what they need to learn’? In this workshop, participants will benchmark and crowdsource to identify and develop teaching tool prototypes for venture creation programs. Each ‘teaching tool’ consist of a learning objective, a combination of learning activities and an assessment suggestion. The workshop consists of two steps: the first is to capture learning activities from the entire group; then we divide into smaller groups where we develop them further into teaching tools. The teaching tools can later be used by the participants in their home university in order to package integrated venture activities so that the activities become aligned to the learning objectives.
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